Cap for a container



FIG. 1 is a perspective view of a cap for a container according to a first embodiment of the new design;

FIG. 2 is a side view thereof, the front, back, left, and right sides being the same in appearance;

FIG. 3 is a top view thereof;

FIG. 4 is a perspective view of a cap for a container according to a second embodiment of the new design;

FIG. 5 is a side view thereof, the front, back, left. and right sides being the same in appearance; and,

FIG. 6 is a top view thereof. 

The ornamental design for a cap for a container, as shown and described. 